Espressif Systems showcases ESP32-E22 Wi-Fi 6E SoC and ESP32-H21 BLE MCU for battery-powered devices
Espressif Systems is showcasing its products at CES 2026, including two interesting upcoming parts: the ESP32-E22 Wi-Fi 6E ...
ESPBattery( byte analog_pin = A0, int polling_interval_ms = 500, int min_lvl = ESPBATTERY_CRITICAL, int max_lvl = ESPBATTERY_FULL ); float getVoltage(); int ...
A blast from the Elektor archives: this clever 1998 battery tester uses a simple LED display to reveal a battery’s true condition under load — even below 1 V. Built from standard components and no ...
One part wants 3.3V logic. Another wants 5V. What do you do? Over on the [Playduino] YouTube channel, there’s a recent video running us through a not-so-recent concern: various approaches to ...
Harting has developed a 450A single-pole connector for batteries. Han S 450 Plus, as it will be known, is related to the earlier 200A Han S series. “The cable side consists of angled housings, with ...
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